| Company Name | Type | Status |
|---|---|---|
| HK NEWDONGCE ELECTRO-OPTIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HITECH ELECTRO-OPTICAL LIMITED | Private company limited by shares | Dissolved |
| HONGKONG YUJIE ELECTRO-OPTICS SCIENCE & TECNOLOGY CO., LIMITED | Private company limited by shares | Live |
| GIGA ELECTRO-OPTICS LIMITED | Private company limited by shares | Dissolved |